Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
tieu danh » dieu danh, tiep danh, thien danh
bang luan » tang luan, hang luan, dung luan
anh bang » anh hoang, anh quang, tinh bang
cong tan » cong tac, cong san, cong thanh
bang cau » hang cau, bang cac, nang cao
san cau » van cau, ban cau, can cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu danh - anh bang luan nhung cong tan ((san cau) or (bang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - anh bang luan nhung cong tan ((san cau) OR (bang cau))*.